DART Little M Block Small Block Chevy 4.125 Bore / 400 Main (Billet Main Caps)

DART Little M Block Small Block Chevy 4.125 Bore / 400 Main (Billet Main Caps) The Dart Little M is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components. Dart Little M SBC Block Bare Block  4.125 in Bore 4.185 Max Bore 4.000 Max Stroke 440 Max Cubic Inch 9.025 Deck 400 Main 4-Bolt Main (Billet Main Caps) 2 Piece Seal Iron Small Block Chevy Each